This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A060429 #19 Dec 15 2017 17:34:58
%S A060429 17,37,101,197,485,677,1157,1445,2117,3365,3845,5477,6725,7397,8837,
%T A060429 11237,13925,14885,17957,20165,21317,24965,27557,31685,37637,40805,
%U A060429 42437,45797,47525,51077,64517,68645,75077,77285,88805
%N A060429 a(n) = 4*prime(n)^2+1.
%H A060429 Harry J. Smith, <a href="/A060429/b060429.txt">Table of n, a(n) for n = 1..100</a>
%F A060429 a(n) = 4*A001248(n) + 1. - _Vincenzo Librandi_, Dec 17 2013
%p A060429 A060429:=n->4*ithprime(n)^2+1; seq(A060429(n), n=1..100); # _Wesley Ivan Hurt_, Dec 17 2013
%t A060429 Table[4*Prime[n]^2+1, {n, 100}] (* _Wesley Ivan Hurt_, Dec 17 2013 *)
%o A060429 (PARI) { n=0; forprime (p=1, 542, write("b060429.txt", n++, " ", 4*p^2 + 1); ) } \\ _Harry J. Smith_, Jul 05 2009
%Y A060429 Cf. A001248, A052291, A052292.
%K A060429 nonn,easy
%O A060429 1,1
%A A060429 _Jason Earls_, Apr 06 2001